scholarly journals Compact Microstrip Bandpass Diplexer Based on Twist Revised Split Ring Resonators

2015 ◽  
Vol 2015 ◽  
pp. 1-6 ◽  
Author(s):  
Jian Li ◽  
Yongjun Huang ◽  
Xuefeng Zhao ◽  
Guangjun Wen
Keyword(s):  
Integrated Circuits ◽  
Impedance Matching ◽  
Magnetic Coupling ◽  
Ring Resonators ◽  
Split Ring ◽  
Split Ring Resonators ◽  
Resonance Modes ◽  
Compact Size ◽  
Filter Unit ◽  
Close Frequency

Based on the twist revised split ring resonators (TR-SRRs) inspired filter unit a microstrip bandpass diplexer with highly compact size and high frequency selection and isolation properties is synthesized and systematically characterized. The proposed filter unit exhibits both electric and magnetic coupling effects and possesses two resonance modes (magnetic and electronic resonances). The two resonance modes can be flexibly controlled by adjusting the gap between the two TR-SRRs. The synthesized diplexer has very simple configuration with size of0.217λd×0.217λdand degree of freedom for impedance matching. Measurement and simulation demonstrations are performed in this paper and a good agreement is achieved. The measured results indicate two quite close frequency channels (centered at 2.16 GHz and 2.91 GHz) with isolation larger than 30 dB. The proposed diplexer can be easily integrated into miniaturized RF/microwave integrated circuits.

scholarly journals A Novel SWB Antenna with Triple Band-Notches Based on Elliptical Slot and Rectangular Split Ring Resonators

Electronics ◽  
2019 ◽  
Vol 8 (2) ◽  
pp. 202 ◽  
Author(s):  
Xiaobo Zhang ◽  
Saeed Ur Rahman ◽  
Qunsheng Cao ◽  
Ignacio Gil ◽  
Muhammad Irshad khan
Keyword(s):  
Split Ring Resonator ◽  
Ring Resonators ◽  
Impedance Bandwidth ◽  
Split Ring ◽  
Split Ring Resonators ◽  
Compact Size ◽  
Good Agreement ◽  
Swb Applications ◽  
Triple Band ◽  
Microstrip Feed

In this paper, a wideband antenna was designed for super-wideband (SWB) applications. The proposed antenna was fed with a rectangular tapered microstrip feed line, which operated over a SWB frequency range (1.42 GHz to 50 GHz). The antenna was implemented at a compact size with electrical dimensions of 0.16 λ × 0.27 λ × 0.0047 λ mm3, where λ was with respect to the lowest resonance frequency. The proposed antenna prototype was fabricated on a F4B substrate, which had a permittivity of 2.65 and 1 mm thickness. The SWB antenna exhibited an impedance bandwidth of 189% and a bandwidth ratio of 35.2:1. Additionally, the proposed antenna design exhibited three band notch characteristics that were necessary to eradicate interference from WLAN, WiMAX, and X bands in the SWB range. One notch was achieved by etching an elliptical split ring resonator (ESRR) in the radiator and the other two notches were achieved by placing rectangular split ring resonators close to the signal line. The first notch was tuned by incorporating a varactor diode into the ESRR. The prototype was experimentally validated with, with notch and without notch characteristics for SWB applications. The experimental results showed good agreement with simulated results.

Uniform and large volume microwave magnetic coupling to NV centers in diamond using split ring resonators

CLEO: 2014 ◽  
2014 ◽  
Author(s):  
Khadijeh Bayat ◽  
Jennifer Choy ◽  
Anna V. Shneidman ◽  
Srujan Meesala ◽  
Mhadi Farrokh Baroughi ◽  
...  
Keyword(s):  
Large Volume ◽  
Magnetic Coupling ◽  
Ring Resonators ◽  
Split Ring ◽  
Split Ring Resonators ◽  
Nv Centers

Magnetic coupling effect of Mie resonance-based metamaterial with inclusion of split ring resonators

2015 ◽  
Vol 646 ◽  
pp. 680-684 ◽  
Author(s):  
Ke Bi ◽  
Lingyu Zeng ◽  
Hao Chen ◽  
Chang Fang ◽  
Qingmin Wang ◽  
...  
Keyword(s):  
Coupling Effect ◽  
Magnetic Coupling ◽  
Ring Resonators ◽  
Split Ring ◽  
Split Ring Resonators ◽  
Mie Resonance

Design of triangular shaped slotted patch antennas for both wideband and multiband applications

2022 ◽  
pp. 1-20
Author(s):  
Rajib Kumar Dash ◽  
Puspendu Bikash Saha ◽  
Dibyendu Ghoshal ◽  
Gopinath Palai
Keyword(s):  
Fractal Geometry ◽  
Parametric Analysis ◽  
Impedance Matching ◽  
Ground Plane ◽  
Ring Resonators ◽  
Patch Antennas ◽  
Split Ring ◽  
Split Ring Resonators ◽  
Measurement Results ◽  
Polarized Radiation

In this article two fractal geometry-based slotted patch antennas are designed to achieve wideband response with multiband characteristics and reduced cross polarized radiation in both E- and H-plane for all the resonating bands. The proposed antennas are fed with microstrip line feeding formed on a FR4 substrate of size 0.25𝜆0 × 0.25𝜆0 × 0.02𝜆0 mm3 and loaded with a partial ground plane at the bottom of the substrate. HFSS is used to design and simulate both the antennas. Wideband behavior and impedance matching of Antenna-1 are improved by optimizing the factor of iteration and length of the ground plane. Due to addition of 3 identical split ring resonators (SRR) with the antenna geometry leads to achieve multiband response in Antenna-2. The dimensions of the SRR connectors and feedline have been optimized through parametric analysis to match the impedance properly at all the three resonating bands. It has been found that simulated and measurement results of both the antennas are properly matched.

Efficient, Uniform, and Large Area Microwave Magnetic Coupling to NV Centers in Diamond Using Double Split-Ring Resonators

Nano Letters ◽  
2014 ◽  
Vol 14 (3) ◽  
pp. 1208-1213 ◽  
Author(s):  
Khadijeh Bayat ◽  
Jennifer Choy ◽  
Mahdi Farrokh Baroughi ◽  
Srujan Meesala ◽  
Marko Loncar
Keyword(s):  
Magnetic Coupling ◽  
Ring Resonators ◽  
Large Area ◽  
Split Ring ◽  
Split Ring Resonators ◽  
Nv Centers

scholarly journals Fractal Antenna Based on Split Ring Resonators with Defected Ground Structure

2020 ◽  
pp. 110-117
Author(s):  
Aruna R ◽  
Sreegiri S S
Keyword(s):  
Impedance Matching ◽  
Wide Band ◽  
Split Ring Resonator ◽  
Ring Resonators ◽  
Fractal Antenna ◽  
Defected Ground Structure ◽  
Ground Structure ◽  
Split Ring ◽  
Split Ring Resonators ◽  
Circular Patch

In this paper presents the design of a circular microstrip fractal antenna (CMFA) loaded with parasitic edge-coupled (EC) split ring resonators (SRR) and defected ground structure (DGS). The basic resonant structure is a circular patch antenna designed at 3.2 GHz on FR4 substrate with relative permittivity 4.4, and 1.6 mm thickness. One iteration of circular patch and slots is employed to form it fractal and so as to attain multiband performance, the antenna is inset fed by a 50? microstrip line. Further the work is extended to demonstrate the effect of placing split ring resonator to particular position of substrate, improves the impedance matching leading to improved bandwidth. In addition L shaped defected ground structures are used to improve the antenna performance. . A comparison between fractal antenna with and without SRRs and DGS is made and the results verifies that a better gain improvement and return loss. The dimensions of the antenna are 45 mm x 45 mm and it can be used for ultra wide band (UWB) applications.

scholarly journals A Broadband Magnetic Coupling Microstrip to Waveguide Transition Using Complementary Split Ring Resonators

IEEE Access ◽  
2019 ◽  
Vol 7 ◽  
pp. 17347-17353
Author(s):  
Yu-Hui Ren ◽  
Ke Li ◽  
Fu-Wei Wang ◽  
Bao-Jian Gao ◽  
Han-Dong Wu
Keyword(s):  
Magnetic Coupling ◽  
Ring Resonators ◽  
Split Ring ◽  
Split Ring Resonators ◽  
Waveguide Transition

scholarly journals Resonance modes in stereometamaterial of square split ring resonators connected by sharing the gap

2014 ◽  
Vol 22 (20) ◽  
pp. 24358 ◽  
Author(s):  
Sheng Lei Wang ◽  
Jun Jun Xiao ◽  
Qiang Zhang ◽  
Xiao Ming Zhang
Keyword(s):  
Ring Resonators ◽  
Split Ring ◽  
Split Ring Resonators ◽  
Resonance Modes
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